protected final String stringNlri(final List<Flowspec> flows) {
final StringBuilder buffer = new StringBuilder("all packets ");
final Joiner joiner = Joiner.on(FLOW_SEPARATOR);
- joiner.appendTo(buffer, Iterables.transform(flows, fs -> encodeFlow(fs)));
+ joiner.appendTo(buffer, Iterables.transform(flows, this::encodeFlow));
return buffer.toString().replace(" ", " ");
}